Answers

Add 18/15 and 56/20

1^st number: 1 3/15, 2^nd number: 2 16/20

18/15 + 56/20 is 4/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 20 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 15 × 4 = 60,
   18/15 = 18 × 4/15 × 4 = 72/60
3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
   56/20 = 56 × 3/20 × 3 = 168/60
4. Add the two like fractions:
   72/60 + 168/60 = 72 + 168/60 = 240/60
5. 240/60 simplified gives 4/1
6. So, 18/15 + 56/20 = 4/1

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